/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.config;

import org.apache.dubbo.common.Constants;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.config.support.Parameter;

import java.util.Map;

/**
 * RegistryConfig
 *
 * @export
 */
public class RegistryConfig extends AbstractConfig {

  public static final String NO_AVAILABLE = "N/A";
  private static final long serialVersionUID = 5508512956753757169L;

  /**
   * Register center address
   */
  private String address;

  /**
   * Username to login register center
   */
  private String username;

  /**
   * Password to login register center
   */
  private String password;

  /**
   * Default port for register center
   */
  private Integer port;

  /**
   * Protocol for register center
   */
  private String protocol;

  /**
   * Network transmission type
   */
  private String transporter;

  private String server;

  private String client;

  private String cluster;

  /**
   * The group the services registry in
   */
  private String group;

  private String version;

  /**
   * Request timeout in milliseconds for register center
   */
  private Integer timeout;

  /**
   * Session timeout in milliseconds for register center
   */
  private Integer session;

  /**
   * File for saving register center dynamic list
   */
  private String file;

  /**
   * Wait time before stop
   */
  private Integer wait;

  /**
   * Whether to check if register center is available when boot up
   */
  private Boolean check;

  /**
   * Whether to allow dynamic service to register on the register center
   */
  private Boolean dynamic;

  /**
   * Whether to export service on the register center
   */
  private Boolean register;

  /**
   * Whether allow to subscribe service on the register center
   */
  private Boolean subscribe;

  /**
   * The customized parameters
   */
  private Map<String, String> parameters;

  /**
   * Whether it's default
   */
  private Boolean isDefault;

  /**
   * Simple the registry. both useful for provider and consumer
   *
   * @since 2.7.0
   */
  private Boolean simplified;
  /**
   * After simplify the registry, should add some paramter individually. just for provider.
   * <p>
   * such as: extra-keys = A,b,c,d
   *
   * @since 2.7.0
   */
  private String extraKeys;

  public RegistryConfig() {
  }

  public RegistryConfig(String address) {
    setAddress(address);
  }

  public RegistryConfig(String address, String protocol) {
    setAddress(address);
    setProtocol(protocol);
  }

  public String getProtocol() {
    return protocol;
  }

  public void setProtocol(String protocol) {
    checkName(Constants.PROTOCOL_KEY, protocol);
    this.protocol = protocol;
    this.updateIdIfAbsent(protocol);
  }

  @Parameter(excluded = true)
  public String getAddress() {
    return address;
  }

  public void setAddress(String address) {
    this.address = address;
    if (address != null) {
      int i = address.indexOf("://");
      if (i > 0) {
        this.updateIdIfAbsent(address.substring(0, i));
      }
    }
  }

  public Integer getPort() {
    return port;
  }

  public void setPort(Integer port) {
    this.port = port;
  }

  public String getUsername() {
    return username;
  }

  public void setUsername(String username) {
    checkName("username", username);
    this.username = username;
  }

  public String getPassword() {
    return password;
  }

  public void setPassword(String password) {
    checkLength("password", password);
    this.password = password;
  }

  /**
   * @return wait
   * @see org.apache.dubbo.config.ProviderConfig#getWait()
   * @deprecated
   */
  @Deprecated
  public Integer getWait() {
    return wait;
  }

  /**
   * @see org.apache.dubbo.config.ProviderConfig#setWait(Integer)
   * @deprecated
   */
  @Deprecated
  public void setWait(Integer wait) {
    this.wait = wait;
    if (wait != null && wait > 0) {
      System.setProperty(Constants.SHUTDOWN_WAIT_KEY, String.valueOf(wait));
    }
  }

  public Boolean isCheck() {
    return check;
  }

  public void setCheck(Boolean check) {
    this.check = check;
  }

  public String getFile() {
    return file;
  }

  public void setFile(String file) {
    checkPathLength("file", file);
    this.file = file;
  }

  /**
   * @return transport
   * @see #getTransporter()
   * @deprecated
   */
  @Deprecated
  @Parameter(excluded = true)
  public String getTransport() {
    return getTransporter();
  }

  /**
   * @see #setTransporter(String)
   * @deprecated
   */
  @Deprecated
  public void setTransport(String transport) {
    setTransporter(transport);
  }

  public String getTransporter() {
    return transporter;
  }

  public void setTransporter(String transporter) {
    checkName(Constants.TRANSPORTER_KEY, transporter);
        /*if(transporter != null && transporter.length() > 0 && ! ExtensionLoader.getExtensionLoader(Transporter.class).hasExtension(transporter)){
            throw new IllegalStateException("No such transporter type : " + transporter);
        }*/
    this.transporter = transporter;
  }

  public String getServer() {
    return server;
  }

  public void setServer(String server) {
    checkName(Constants.SERVER_KEY, server);
        /*if(server != null && server.length() > 0 && ! ExtensionLoader.getExtensionLoader(Transporter.class).hasExtension(server)){
            throw new IllegalStateException("No such server type : " + server);
        }*/
    this.server = server;
  }

  public String getClient() {
    return client;
  }

  public void setClient(String client) {
    checkName("client", client);
        /*if(client != null && client.length() > 0 && ! ExtensionLoader.getExtensionLoader(Transporter.class).hasExtension(client)){
            throw new IllegalStateException("No such client type : " + client);
        }*/
    this.client = client;
  }

  public Integer getTimeout() {
    return timeout;
  }

  public void setTimeout(Integer timeout) {
    this.timeout = timeout;
  }

  public Integer getSession() {
    return session;
  }

  public void setSession(Integer session) {
    this.session = session;
  }

  public Boolean isDynamic() {
    return dynamic;
  }

  public void setDynamic(Boolean dynamic) {
    this.dynamic = dynamic;
  }

  public Boolean isRegister() {
    return register;
  }

  public void setRegister(Boolean register) {
    this.register = register;
  }

  public Boolean isSubscribe() {
    return subscribe;
  }

  public void setSubscribe(Boolean subscribe) {
    this.subscribe = subscribe;
  }

  public String getCluster() {
    return cluster;
  }

  public void setCluster(String cluster) {
    this.cluster = cluster;
  }

  public String getGroup() {
    return group;
  }

  public void setGroup(String group) {
    this.group = group;
  }

  public String getVersion() {
    return version;
  }

  public void setVersion(String version) {
    this.version = version;
  }

  public Map<String, String> getParameters() {
    return parameters;
  }

  public void setParameters(Map<String, String> parameters) {
    checkParameterName(parameters);
    this.parameters = parameters;
  }

  public Boolean isDefault() {
    return isDefault;
  }

  public void setDefault(Boolean isDefault) {
    this.isDefault = isDefault;
  }

  public Boolean getSimplified() {
    return simplified;
  }

  public void setSimplified(Boolean simplified) {
    this.simplified = simplified;
  }

  @Parameter(key = Constants.EXTRA_KEYS_KEY)
  public String getExtraKeys() {
    return extraKeys;
  }

  public void setExtraKeys(String extraKeys) {
    this.extraKeys = extraKeys;
  }

  @Parameter(excluded = true)
  public boolean isZookeeperProtocol() {
    if (!isValid()) {
      return false;
    }
    return Constants.ZOOKEEPER_PROTOCOL.equals(getProtocol())
        || getAddress().startsWith(Constants.ZOOKEEPER_PROTOCOL);
  }

  @Override
  public void refresh() {
    super.refresh();
    if (StringUtils.isNotEmpty(this.getId())) {
      this.setPrefix(Constants.REGISTRIES_SUFFIX);
      super.refresh();
    }
  }

  @Override
  @Parameter(excluded = true)
  public boolean isValid() {
    // empty protocol will default to 'dubbo'
    return !StringUtils.isEmpty(address);
  }

}
